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/*
* Copyright (C) 2009 Apple Inc. All rights reserved.
* Copyright (C) 2009 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef JSArrayBufferViewHelper_h
#define JSArrayBufferViewHelper_h
#include "ExceptionCode.h"
#include "JSDOMBinding.h"
#include <interpreter/CallFrame.h>
#include <runtime/ArgList.h>
#include <runtime/Error.h>
#include <runtime/JSObject.h>
#include <runtime/JSValue.h>
namespace WebCore {
template <class T>
JSC::JSValue setWebGLArrayHelper(JSC::ExecState* exec, T* impl, T* (*conversionFunc)(JSC::JSValue))
{
if (exec->argumentCount() < 1)
return JSC::throwSyntaxError(exec);
T* array = (*conversionFunc)(exec->argument(0));
if (array) {
// void set(in WebGL<T>Array array, [Optional] in unsigned long offset);
unsigned offset = 0;
if (exec->argumentCount() == 2)
offset = exec->argument(1).toInt32(exec);
ExceptionCode ec = 0;
impl->set(array, offset, ec);
setDOMException(exec, ec);
return JSC::jsUndefined();
}
if (exec->argument(0).isObject()) {
// void set(in sequence<long> array, [Optional] in unsigned long offset);
JSC::JSObject* array = JSC::asObject(exec->argument(0));
uint32_t offset = 0;
if (exec->argumentCount() == 2)
offset = exec->argument(1).toInt32(exec);
uint32_t length = array->get(exec, JSC::Identifier(exec, "length")).toInt32(exec);
if (offset > impl->length()
|| offset + length > impl->length()
|| offset + length < offset)
setDOMException(exec, INDEX_SIZE_ERR);
else {
for (uint32_t i = 0; i < length; i++) {
JSC::JSValue v = array->get(exec, i);
if (exec->hadException())
return JSC::jsUndefined();
impl->set(i + offset, v.toNumber(exec));
}
}
return JSC::jsUndefined();
}
return JSC::throwSyntaxError(exec);
}
}
#endif // JSArrayBufferViewHelper_h
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